JPS554530A - Optical position aligning apparatus - Google Patents

Optical position aligning apparatus

Info

Publication number
JPS554530A
JPS554530A JP7700978A JP7700978A JPS554530A JP S554530 A JPS554530 A JP S554530A JP 7700978 A JP7700978 A JP 7700978A JP 7700978 A JP7700978 A JP 7700978A JP S554530 A JPS554530 A JP S554530A
Authority
JP
Japan
Prior art keywords
stage
direct current
measuring object
position deviations
same
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7700978A
Other languages
English (en)
Other versions
JPH0125001B2 (ja
Inventor
Kyoichi Suwa
Tsuneyuki Kazama
Junji Hazama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
Nippon Kogaku KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Chemical Industrial Co Ltd, Nippon Kogaku KK filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP7700978A priority Critical patent/JPS554530A/ja
Publication of JPS554530A publication Critical patent/JPS554530A/ja
Publication of JPH0125001B2 publication Critical patent/JPH0125001B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
JP7700978A 1978-06-27 1978-06-27 Optical position aligning apparatus Granted JPS554530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7700978A JPS554530A (en) 1978-06-27 1978-06-27 Optical position aligning apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7700978A JPS554530A (en) 1978-06-27 1978-06-27 Optical position aligning apparatus

Publications (2)

Publication Number Publication Date
JPS554530A true JPS554530A (en) 1980-01-14
JPH0125001B2 JPH0125001B2 (ja) 1989-05-16

Family

ID=13621750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7700978A Granted JPS554530A (en) 1978-06-27 1978-06-27 Optical position aligning apparatus

Country Status (1)

Country Link
JP (1) JPS554530A (ja)

Also Published As

Publication number Publication date
JPH0125001B2 (ja) 1989-05-16

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